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Math Help - taylor series

  1. #1
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    taylor series

    find the taylor series of y=x^(1/2) centered at a=4 and use the first two terms to apporximate 4.1^(1/2)

    thanx in advance
    Last edited by twofortwo; May 17th 2010 at 10:11 AM. Reason: typo
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  2. #2
    MHF Contributor Bruno J.'s Avatar
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    Quote Originally Posted by twofortwo View Post
    find the taylor series of y=x^91/2) centered at a=4 and use the first two terms to apporximate 4.1^(1/2)

    thanx in advance
    Error : invalid expression.
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  3. #3
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    Quote Originally Posted by twofortwo View Post
    find the taylor series of y=x^91/2) centered at a=4 and use the first two terms to apporximate 4.1^(1/2)

    thanx in advance
    Assuming you mean y= x^{91/2}, where, exactly, is your problem? Do you know how to differentiate x^n? Do you know the formula for the Taylor's series of a function?
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  4. #4
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    sorry for the typo.
    its the sqareroot of x.
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